Deworming yearling cattle with Dr. Murray Jelinski

This week Dr. Murray Jelinski returns to the podcast for a 2nd week in a row, to discuss a completely different topic.  He will summarize some of his recent research on the value of deworming yearling cattle in Western Canadian pastures.  We discuss the basics of the life cycle of the internal roundworms of cattle and the impact they can have on productivity.00:00 - 00:45 Intro00:45 - 02:51  Why the interest in internal parasites?02:51 - 06:00  Types of internal parasites of cattle06:01 - 10:27  Life cycle of roundworms10:28 - 15:54 Difference in species of roundworms and changes in distribution of species15:55 - 17:50 How do the roundworms impact performance?17:51 - 22:05  Limitations of the fecal egg count test22:06 - 27:11 Factors that affect the level of parasite load27:12 - 34:15  Summary of clinical trial on yearling cattle in Saskatchewan34:16 -  35:50 Emergence of Haemonchus roundworms in Western Canada35:51 -  38:31  Risk factors for higher parasite loads38:32 -  44:23  Recommendations for when to decide if deworming is necessary44:24 -   45:00 Wrap up